10123002100 has 18 divisors (see below), whose sum is σ = 21966914774. Its totient is φ = 4049200800.

The previous prime is 10123002091. The next prime is 10123002103. The reversal of 10123002100 is 120032101.

It can be written as a sum of positive squares in 3 ways, for example, as 370254564 + 9752747536 = 19242^2 + 98756^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123002103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50614911 + ... + 50615110.

Almost surely, 2^10123002100 is an apocalyptic number.

10123002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123002100 is an abundant number, since it is smaller than the sum of its proper divisors (11843912674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10123002100 is a wasteful number, since it uses less digits than its factorization.

10123002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101230035 (or 101230028 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10123002100 its reverse (120032101), we get a palindrome (10243034201).

The spelling of 10123002100 in words is "ten billion, one hundred twenty-three million, two thousand, one hundred".